Mattermost up to 8.1.12/9.5.3/9.6.1 Team Membership access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Mattermost up to 8.1.12/9.5.3/9.6.1. It has been rated as critical. Impacted is an unknown function of the component Team Membership Handler. The manipulation leads to access control. This vulnerability is referenced as CVE-2024-32045. Remote exploitation of the attack is possible. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Mattermost up to 8.1.12/9.5.3/9.6.1 and classified as critical. This issue affects an unknown function of the component Team Membership Handler. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Mattermost versions 9.5.x <= 9.5.3, 9.6.x <= 9.6.1, 8.1.x <= 8.1.12 fail to enforce proper access controls for channel and team membership when linking a playbook run to a channel which allows members to link their runs to private channels they were not members of.

The weakness was published by Bharat. It is possible to read the advisory at mattermost.com. The identification of this vulnerability is CVE-2024-32045 since 05/23/2024. The exploitation is known to be difficult. The attack may be initiated remotely. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

Upgrading to version 8.1.13, 9.5.4, 9.6.2 or 9.7.0 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.9
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Mattermost 8.1.13/9.5.4/9.6.2/9.7.0

Timelineinfo

05/23/2024 🔍
05/26/2024 +3 days 🔍
05/26/2024 +0 days 🔍
09/30/2025 +492 days 🔍

Sourcesinfo

Advisory: mattermost.com
Researcher: Bharat
Status: Confirmed

CVE: CVE-2024-32045 (🔍)
GCVE (CVE): GCVE-0-2024-32045
GCVE (VulDB): GCVE-100-266315

Entryinfo

Created: 05/26/2024 15:56
Updated: 09/30/2025 17:54
Changes: 05/26/2024 15:56 (63), 09/30/2025 17:54 (3)
Complete: 🔍
Cache ID: 216::103

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